[Lol]

Greetings ladies and gentlemen.

Please see the linked video. it occurs on both sides and is the culprit to very loud creaking at slow speeds over bumps/humps.

Suspension loading video

I have replaced all four struts, sway bar bushings, lower/upper ball joints and upper/lower control arm bushings with CS bushings (liberally greased).

Could it be the endlinks? It seems like an absurd amount of noise for that to be it. At first glance the motor mounts appear to need replacement as well, however the suspension loading and angle don’t seem to point to them either.

Input is greatly appreciated. I’ve been chasing this for a year

 

[Lol]

One more angle

Video 2

 

[loweredd]

Videos won't play for me

 

[Sudderth]

Anti sway bar bushings or the upper control arms. easy way to diagnose is to remove the end link nuts and drive over bumps. if the noise goes away it is the anti sway bar bushings. If the noise continues it is the upper control arm bushings.

2013 CADILLAC CTS 6.2L V8 Supercharged Control Arm | RockAuto

RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Easy to use parts catalog.

www.rockauto.com

 

[MrSurly]

Videos work for me (on a PC)
First test: jack a side up and lay a scrap piece of cardboard under the raised tire so that when lowering it, the horizontal 'scrubbing' of the tire rubber on concrete is removed from the event.

AND: What @Sudderth said.

 

[tramminc]

Did you lube the sway bushings before installing them.

 

[Lol]

Videos won't play for me

I’ll try to attach them. Still figuring out and iPhone.

edit: disregard. Saw your follow up

 

[Lol]

Did you lube the sway bushings before installing them.

Yea. Liberally with Super Lube’s poly synthetic grease

 

[Lol]

Anti sway bar bushings or the upper control arms. easy way to diagnose is to remove the end link nuts and drive over bumps. if the noise goes away it is the anti sway bar bushings. If the noise continues it is the upper control arm bushings.

2013 CADILLAC CTS 6.2L V8 Supercharged Control Arm | RockAuto

RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Easy to use parts catalog.

www.rockauto.com

I’ve replaced them both but I’ll give this a try to try and isolate. They’re a year old as they stand

 

[Lol]

Videos work for me (on a PC)
First test: jack a side up and lay a scrap piece of cardboard under the raised tire so that when lowering it, the horizontal 'scrubbing' of the tire rubber on concrete is removed from the event.

AND: What @Sudderth said.

Will try this

 

[Black Molly]

Is it cold outside where you live. My v makes this sound when it is cold outside but not when warm. Found out this is a common problem and never tried to fix it

 

[RandallMan68]

Same here. Warmer temps and it disappears. I did also have some noise coming from the rear diff but had the fluids serviced and that went away.

 

[Hedgehog]

Popping or clunking in front suspension public service...

For a month or two or three, I've been troubleshooting a popping sound coming from my front suspension during maneuvering at parking lot speeds. Most often noticed after a hard steering input in either direction and in forward and reverse. Only happens once going forward until the car is...

www.ctsvowners.com